TY - JOUR AU - A. V. Bitsadze TI - On the theory of nonlocal boundary value problems JO - Doklady Akademii Nauk PY - 1984 SP - 17 EP - 19 VL - 277 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1984_277_1_a2/ LA - ru ID - DAN_1984_277_1_a2 ER -